Home / 578,031.40-867,030.90-262,487.80

Finding the Fourth Proportional to 578,031.40, 867,030.90 and 262,487.80

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Solution

The fourth proportional to 578,031.40, 867,030.90 and 262,487.80 is: 393,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,031.40 : 867,030.90 = 262,487.80 : x
  2. Step 2: Convert to fraction form
    578,031.40/867,030.90 = 262,487.80/x
  3. Step 3: Cross multiply
    578,031.40x = 867,030.90 × 262,487.80
  4. Step 4: Simplify right side
    578,031.40x = 227,585,033,473.02
  5. Step 5: Solve for x
    x = 227,585,033,473.02/578,031.40
  6. Step 6: Final answer
    x = 393,724.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.